<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <div class="box">
        <div class="item item1">1</div>
        <div class="item item2">2</div>
        <div class="item item3">3</div>
        <div class="item item4">4</div>
        <div class="item item5">5</div>
        <div class="item item6">6</div>
        <div class="item item7">7</div>
        <div class="item item8">8</div>
        <div class="item item9">9</div>
        <div class="item item10">10</div>
        <div class="item item11">11</div>
        <div class="item item12">12</div>
        <div class="item item13">13</div>
        <div class="item item14">14</div>
        <div class="item item15">15</div>
        <div class="item item16">16</div>
    </div>
    <style>
        .box {
            display: grid;
            grid-template-columns: 1fr 2fr 1fr 1fr 1fr;
            grid-template-rows: repeat(1fr);
            gap: 50px;

            width: 90vw;
            height: 90vh;
            background: cyan;
        }

        .item {
            border-radius: 20px;
            background-color: darkcyan;
        }
        .item1{
            grid-column: 1/2;
            grid-row: 1/3;
        }
        .item2{
            grid-column: 2/4;
            grid-row: 1/3;
        }
        .item3{
            grid-column: 4/5;
            grid-row: 2/5;
        }
        .item4{
            grid-column: 5/6;
            grid-row:5/6;
        }
        .item5{
            grid-column: 2/4;
            grid-row:3/4;
        }
        .item6{
            grid-column: 1/3;
            grid-row:4/5;
        }
        .item7{
            grid-column: 5/6;
            grid-row:1/4;
        }
        .item8{
            grid-column: 2/5;
            grid-row:5/6;
        }
        /* .item9{
            grid-column: 4/5;
            grid-row:1/2;
        } */
        /* .item10{
            grid-column:1/2;
            grid-row: 3/4;
        } */
        /* .item11{
            grid-column:3/4;
            grid-row: 4/5;
        } */
        /* .item12{
            grid-column:5/6;
            grid-row: 4/5;
        } */
        /* .item13{
            grid-column:1/2;
            grid-row: 5/6;
        } */
 
    </style>
</body>

</html>